Glazed trapway
Posted by Richard Graber on May 28, 19100 at 15:55:38:
A selling point of toilets is that they have a fully glazed trapway. I just purchased a Kohler Wellworth
elongated and found that the top of the trapway at the exit is not glazed. Is this standard for all "fully
glazed" trapways?

My assumption is that the benefits of full glazing are present only when there is no
rough surface anywhere in the trapway to slow the progress of waste materials. Am I assuming too

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